Array map1 리액트(React) Arrow Function, Template Literals, Object Destructuring, Spread Operator 3항연산자, Classes, Array map, Array filter, forEach includes push 알아보기 Arrow Function function sayHello(name) { return "Hello " + name } const won = sayHello("won"); console.log(Hello); // a const sayHello = (name = "Human") => "Hello " + name; const won = sayHello(); console.log(won); // b const Button = document.querySelector("button"); button.addEventListener("click", event => console.log(event)) Click me Template Literals const sayHello = (name = "Human") => `H.. 2020. 11. 23. 이전 1 다음